var someInput = { a: 1, b: 2, c: 3 }

import blacklist = require('blacklist')

blacklist(someInput, 'b', 'c')
// => { a: 1 }

blacklist(someInput, {
    a: true,   // a will not be in the result
    b: false,  // b will be in the result
    c: 1 > 2   // false, therefore c will be in the result
})
// => { b: 2, c: 3 }